@Book{sitereport_33893,
 author = "塩地, 潤一 and 堀井, 泰樹",
 title = "大友府内21　　中世大友府内町跡第108次調査",
 volume = "",
 publisher = "大分市教育委員会",
 year = 2015,
 series = "大分市埋蔵文化財発掘調査報告書",
 number = "137",
 url = https://sitereports.nabunken.go.jp/33893,
 }